.header{
    width: 980px;
    height: 62px;
    margin: 0 auto;
}
.logo{
    width: 179px;
    height: 39px;
    float: left;
    margin-top: 20px;
}
.search{
    float: right;
    margin-top: 20px;
    border: 1px solid #ececec;
}
.txt{
    width: 165px;
    height: 28px;
    float: left;
}
.search .btn{
    width: 30px;
    height: 30px;
    background-image: url("images/search2.jpg");
    float: right;
}